perf beauty: Switch from GPL v2.0 to LGPL v2.1

The intention is to have this as a library, since it is not perf
specific at all.

I did the switch for the files where I'm the only contributor, with the
exception of a few lines changed by Jiri Olsa.
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-a04q6chdyjknm1hr305ulx8h@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/trace/beauty/clone.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/cone.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/drm_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/drm/
 

tools/perf/trace/beauty/eventfd.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #ifndef EFD_SEMAPHORE
 #define EFD_SEMAPHORE		1
 #endif

tools/perf/trace/beauty/fcntl.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/fcntl.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/flock.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 
 #include "trace/beauty/beauty.h"
 #include <linux/kernel.h>

tools/perf/trace/beauty/futex_op.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <linux/futex.h>
 
 #ifndef FUTEX_WAIT_BITSET

tools/perf/trace/beauty/futex_val3.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <linux/futex.h>
 
 #ifndef FUTEX_BITSET_MATCH_ANY

tools/perf/trace/beauty/ioctl.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/ioctl.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/kcmp.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/kcmp.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/kcmp_type.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/kvm_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/madvise_behavior.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/asm-generic/
 

tools/perf/trace/beauty/mmap.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <uapi/linux/mman.h>
 
 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,

tools/perf/trace/beauty/mode_t.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>

tools/perf/trace/beauty/msg_flags.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sys/types.h>
 #include <sys/socket.h>
 

tools/perf/trace/beauty/open_flags.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>

tools/perf/trace/beauty/perf_event_open.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #ifndef PERF_FLAG_FD_NO_GROUP
 # define PERF_FLAG_FD_NO_GROUP		(1UL << 0)
 #endif

tools/perf/trace/beauty/perf_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/pid.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
+
 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg)
 {
 	int pid = arg->val;

tools/perf/trace/beauty/pkey_alloc.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/pkey_alloc.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/pkey_alloc_access_rights.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/asm-generic/
 

tools/perf/trace/beauty/prctl.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/prctl.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/prctl_option.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/sched_policy.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sched.h>
 
 /*

tools/perf/trace/beauty/seccomp.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #ifndef SECCOMP_SET_MODE_STRICT
 #define SECCOMP_SET_MODE_STRICT 0
 #endif

tools/perf/trace/beauty/signum.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <signal.h>
 
 static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)

tools/perf/trace/beauty/sndrv_ctl_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/sound/
 

tools/perf/trace/beauty/sndrv_pcm_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/sound/
 

tools/perf/trace/beauty/sockaddr.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 // Copyright (C) 2018, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/socket.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/socket.c
  *

tools/perf/trace/beauty/socket_ipproto.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/socket_type.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sys/types.h>
 #include <sys/socket.h>
 

tools/perf/trace/beauty/statx.c

+// SPDX-License-Identifier: LGPL-2.1
 /*
  * trace/beauty/statx.c
  *
  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
  */
 
 #include "trace/beauty/beauty.h"

tools/perf/trace/beauty/vhost_virtio_ioctl.sh

 #!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
 
 [ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
 

tools/perf/trace/beauty/waitid_options.c

-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: LGPL-2.1
 #include <sys/types.h>
 #include <sys/wait.h>